Rose Forrest gets into a physical altercation at a home for girls. She is subdued by the guards and given a sedative.

Over a span of three years, with the help of Dr. Chritlow, Rhosyn learns to push all of her anger and pain to another personality, Thorn. She struggles to keep that personality within her at all times.

One night, one of the other girls, Ashleigh, starts a fire. Rhosyn lets Thorn out to help save Kimmy from the fire. Instead, Thorn beats up Ashleigh.